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The EC Buying 5Pcs 3-5V Optocoupler Isolation Board features EL817 optoelectronic isolators delivering reliable signal isolation with over 3000V isolation voltage. Designed for input voltages between 3-5V and output voltages from 1.8V to 24V, it supports up to 5KHz signal frequency and operates in extreme temperatures (-55°C to 110°C). Its rail bracket and 5.0 pitch screw terminals enable easy installation, making it ideal for microcontroller circuit protection, signal level matching, and interference-free signal conversion in professional electronic applications.






| Asin | B0D3CX6NP6 |
| Best Sellers Rank | #2,436 in Single Board Computers (Computers & Accessories) |
| Brand | EC Buying |
| Customer Reviews | 4.6 4.6 out of 5 stars (11) 4.6 out of 5 stars |
| Input Voltage | 5 volts |
| Item Weight | 1.7 ounces |
| Manufacturer | EC Buying |
| Model Number | EL817 |
| Number Of Items | 5 |
| Output Voltage | 5 volts |
| Plug Type | Type A |
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